ecbolicPronunciation: /ɛkˈbɒlɪk/ MedicineDefinition of ecbolic adjective inducing contractions of the uterus leading to expulsion of a fetus: the ecbolic properties of Indian medicinal plants noun an agent that induces contractions of the uterus. Origin: mid 18th century: from Greek ekbolē 'expulsion' + -icecbolic in other Oxford dictionaries Definition of ecbolic in the US English dictionary